2113115912 has 16 divisors (see below), whose sum is σ = 4195156860. Its totient is φ = 994407424.

The previous prime is 2113115887. The next prime is 2113115941. The reversal of 2113115912 is 2195113112.

It can be written as a sum of positive squares in 2 ways, for example, as 1810842916 + 302272996 = 42554^2 + 17386^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7768673 + ... + 7768944.

Almost surely, 2^2113115912 is an apocalyptic number.

It is an amenable number.

2113115912 is a deficient number, since it is larger than the sum of its proper divisors (2082040948).

2113115912 is a wasteful number, since it uses less digits than its factorization.

2113115912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15537640 (or 15537636 counting only the distinct ones).

The product of its digits is 540, while the sum is 26.

The square root of 2113115912 is about 45968.6405280818. The cubic root of 2113115912 is about 1283.2396597657.

The spelling of 2113115912 in words is "two billion, one hundred thirteen million, one hundred fifteen thousand, nine hundred twelve".